HELLO I am very happy to meet you and share with you my help, and I can open a workshop on the future of desert which is a problem of the present time. And I propose the agricultur the desert sand and the region as an example M'hamid elghouzlane the province of Zagora, this sand contain a quantity of fine red clay and I see this as agriculture Fertel suport for Sev cultur and any one of cerials such as wheat or maize forge ...... and cultures play two rols 1 - the produition of food and animal production 2 - lute against desetification So we posser how to irrigation. course with an economic system Drop Count but this system will tasters problem of clogging, so the system of drip irrigation seepage PORITEX and the only irrigating solution on the sand with a small per centage of evaportaion with lower flow and low pressure and we can put it close to the root In this regard I would like to have your opinion, and make a group of works for lute against desertification and do the world demonsrtation